Linum virginianum
Linum floridanum
Virginia yellow flax, woodland flax, woodland yellow flax
Florida yellow flax
erect, branches 1–several from base, unbranched proximal to inflorescence.
erect, usually unbranched, sometimes branched from base.
proximal 4–10 pairs opposite, distal alternate, erect to spreading;
stipular glands absent;
blade of proximal leaves spatulate, central and distal elliptic, oblanceolate, or obovate, 15–25 × 3–7 mm, margins entire, not ciliate, apex acute to apiculate.
proximal usually opposite, distal alternate, rarely all alternate, appressed-ascending;
stipular glands absent;
blade linear-oblanceolate or oblanceolate, 10–20 × 1–3.2 mm, margins entire, not ciliate, apex sharply acute.
corymbs.
corymbs.
1–10 mm.
0.5–3.5 mm.
sepals persistent, lanceolate-ovate, inner shorter, broader, thinner than outer, outer sepals 2–4 mm, margins not scarious, inner sepals usually with a few small, sessile glands along margin distal to middle, rarely eglandular, outer ones entire, apex acute to acuminate;
petals yellow, obovate (sometimes notched at apex), 3–5.5 mm;
stamens 1.2–3 mm;
anthers 0.5–1 mm;
staminodia absent;
styles distinct, 1–2 mm;
stigmas capitate.
sepals persistent, narrowly lanceolate, outer sepals 2.5–4.5 mm, inner somewhat shorter, broader than outer, margins not scarious, inner conspicuously glandular-toothed, outer entire, apex acute;
petals lemon yellow, obovate, 5.5–9.5 mm;
stamens 2 mm;
anthers 0.5–1.5 mm;
staminodia absent;
styles distinct, 2–4.5 mm;
stigmas capitate.
globose, carpels flattened or ± concave abaxially, 1.3–1.8 × 2–2.5 mm, apex depressed, dehiscing freely into 10, 1-seeded segments, segments falling freely, false septa nearly complete, proximal margins usually sparsely and inconspicuously few-ciliate.
pyriform or ovoid, 2–3.4 × 2–3 mm, apex obtuse or minutely 5-apiculate, dehiscing freely into 10, 1-seeded segments, segments persistent on plant, false septa nearly complete, proximal margins not ciliate.
1–1.5 × 0.6–0.9 mm.
1.6–2.5 × 0.7–1.2 mm.
= 36.
Linum virginianum
Linum floridanum
Linum virginianum lacks prominent marginal teeth on the inner sepals, thus distinguishing it from L. striatum. It has a less elongate inflorescence and lacks the ribbed branchlets found in L. striatum (C. M. Rogers 1984). The corollas of L. virginianum are nearly rotate; all parts of the flower are yellow except the brownish anthers. Its capsules shatter readily and often are absent on herbarium sheets.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Varieties 2 (2 in the flora).
Linum floridanum occurs only on the coastal plain. Leaves of the species are firm and opaque, and the veins are not shown in transmitted light. All parts of its flower are yellow except the anthers, which may have wine red coloring; the corolla is nearly rotate, and the styles are spreading.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Anthers 0.5–1.2 mm; capsules pyriform, 2–3 mm, walls relatively thin, apex obtuse. | var. floridanum |
1. Anthers 1–1.5 mm; capsules ovoid, 2.8–3.4 mm, walls relatively thick textured, apex minutely 5-apiculate. | var. chrysocarpum |
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